Whirlpool Microwave Electronic Control Board W11179310 – Genuine OEM | Replaces W10524080

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✅ Cross Reference Information

Common Symptoms

• Microwave not heating (no heat output)
• Microwave runs but doesn't heat
• Display panel blank or not working
• Display panel showing error codes
• Touchpad buttons not responding
• Microwave won't start
• Timer not advancing
• Turntable not rotating
• Interior light not working
• Convection fan not operating
• Microwave shuts off unexpectedly
• Power levels not adjusting
• Microwave cycles on and off repeatedly
• Cooking programs not working
• Sensor cooking not functioning
• Display flickering or dim
• Unusual buzzing or clicking noises
• Safety interlock not working

Pro Tip

Part Details

Installation Notes

• Required Tools:
• Phillips screwdriver
• Flathead screwdriver
• 1/4" or 5/16" nut driver
• Torx screwdriver set (T10, T15, T20)
• Needle-nose pliers
• Work gloves
• Flashlight
• Camera or smartphone (for reference photos)
• Anti-static wrist strap (recommended)
• Multimeter (for electrical testing)
• Step-by-Step Installation:
• Disconnect Power:
• Turn off the circuit breaker that supplies power to the microwave/wall oven combination unit. Verify power is off by attempting to turn on the microwave (nothing should happen). Never work on the microwave with power connected. Wait 10 minutes for capacitors to discharge before proceeding.
• Open Microwave Door:
• Open the microwave door fully to provide access to the interior and mounting screws.
• Remove Microwave from Cabinet (if necessary):
• Depending on your model, you may need to remove the entire microwave/wall oven unit from the cabinet:Remove screws securing the unit to the cabinet (typically 4-6 screws)Carefully slide the unit forward out of the cabinet openingHave a helper assist—these units are very heavy (100-200 lbs)Place the unit on a sturdy work surface
• Remove Control Panel Cover:
• Remove the control panel cover to access the control board:Remove screws securing the control panel cover (typically 4-8 screws around the perimeter)Carefully pull the control panel cover forward and offSet the cover aside in a safe location
• Locate Control Board:
• Look behind the control panel. You'll see the electronic control board—a large green circuit board with multiple wire harness connectors, relay switches, and electronic components.
• Take Reference Photos (Critical):
• Before disconnecting anything, take 30-40 clear, close-up photos of ALL wire harness connections to the control board. Photograph each connector from multiple angles showing:Wire colors and connector positionsConnector orientation and locking mechanismsRelative position of each connector on the boardAny labels or markings on connectorsDisplay panel ribbon cable connectionTouchpad membrane cable connectionPower input connections Label each connector with masking tape and marker if needed (e.g., "Display," "Touchpad," "Power," "Magnetron," "Fan," "Light," etc.). This is absolutely critical for correct reinstallation.
• Document Connector Positions:
• Create a detailed diagram or written list showing which connector connects to which port on the board. Include wire colors if visible. This documentation prevents misconnection during reinstallation.
• Discharge High-Voltage Capacitor (Critical Safety Step):
• Even with power disconnected, the high-voltage capacitor can retain a lethal charge for hours or days. Using an insulated screwdriver with a well-insulated handle:Locate the high-voltage capacitor (large cylindrical component near the magnetron)Touch the screwdriver blade across both capacitor terminals simultaneously to dischargeYou may see a spark—this is normalRepeat 2-3 times to ensure complete dischargeNever touch capacitor terminals with bare hands
• Disconnect Display Panel Ribbon Cable:
• The display panel connects to the control board via a ribbon cable. Carefully disconnect the ribbon cable:Locate the ribbon cable connector on the control boardLift the locking tab or release mechanismGently pull the ribbon cable straight outDo not pull on the ribbon itself, only on the connector
• Disconnect Touchpad Membrane Cable:
• The touchpad connects to the control board via a membrane cable. Carefully disconnect the membrane cable:Locate the membrane cable connector on the control boardLift the locking tab or release mechanismGently pull the membrane cable straight out
• Disconnect Wire Harnesses:
• The control board will have multiple wire harness connectors (typically 10-15 connectors depending on model). Carefully disconnect each connector one at a time:Press the release tab or locking mechanism on each connectorPull the connector straight off—do not pull on wires, only on the connector housingKeep track of which connector goes where using your photos and labelsPlace each connector in a small container or bag labeled with its function
• Remove Mounting Hardware:
• The control board is secured with mounting screws or clips (typically 4-6 fasteners). Remove all mounting hardware. Keep these fasteners—you'll need them for reinstallation.
• Remove Old Control Board:
• Once all connections and mounting hardware are removed, carefully lift the old control board away from the mounting location. Handle gently to avoid damaging other components or sharp edges.
• Inspect Old Control Board:
• Examine the old board for visible damage: burned components, melted plastic, corrosion, moisture damage, blown fuses, cracked solder joints, or discolored areas. This helps confirm the diagnosis and identify the cause of failure. Check for signs of power surge damage or thermal stress.
• Clean Mounting Area:
• Wipe down the mounting surface where the control board was located. Remove any dust, debris, or corrosion. A clean mounting surface ensures proper board installation and heat dissipation.
• Compare Old and New Boards:
• Remove the new control board from its packaging (use anti-static precautions—touch a grounded metal surface before handling). Compare the new board to the old board:Verify connector locations match exactlyCheck that mounting hole positions are identicalConfirm part numbers match or are compatibleEnsure the board is the correct replacement for your microwave modelVerify all components are present on the new board
• Position New Control Board:
• Carefully position the new control board into the mounting location. Align mounting holes with the mounting points on the control panel frame or microwave chassis.
• Install Mounting Hardware:
• Secure the control board with mounting screws or clips. Tighten screws firmly but do not overtighten—excessive force can crack the circuit board or damage components.
• Reconnect Wire Harnesses (Critical Step):
• Using your reference photos and labels, reconnect all wire harness connectors to the new control board. This is the most critical step:Match each connector to its correct port on the boardEnsure connectors are oriented correctly (they typically only fit one way)Push each connector straight on until you hear or feel a clickVerify the locking tab engages on each connectorGently tug each connector to ensure it's fully seated and won't pull offDouble-check every connection against your photos before proceeding
• Reconnect Touchpad Membrane Cable:
• Using your reference photos, reconnect the touchpad membrane cable to the control board:Insert the membrane cable straight into the connectorPush the locking tab down to secure the cableEnsure the cable is fully inserted and locked
• Reconnect Display Panel Ribbon Cable:
• Using your reference photos, reconnect the display panel ribbon cable to the control board:Insert the ribbon cable straight into the connectorPush the locking tab down to secure the cableEnsure the cable is fully inserted and locked
• Verify All Connections:
• Before closing panels, carefully verify that:All wire connectors are attached to the correct portsNo connectors are loose or partially connectedDisplay and touchpad cables are properly seated and lockedNo wires are pinched, damaged, or touching sharp edgesAll locking tabs are engagedThe board is securely mountedNo wires are trapped between the board and mounting surface
• Reinstall Control Panel Cover:
• Position the control panel cover and secure with all mounting screws. Ensure the cover is properly seated and aligned.
• Reinstall Microwave Unit (if removed):
• If you removed the microwave/wall oven unit from the cabinet:Carefully slide the unit back into the cabinet openingHave a helper assist—these units are very heavyAlign mounting holes with cabinet mounting pointsSecure the unit with all mounting screws
• Close Microwave Door:
• Close the microwave door.
• Restore Power:
• Turn on the circuit breaker that supplies power to the microwave/wall oven unit.
• Initial Power-Up:
• When power is restored, the control board will initialize. You may hear beeps, see the display light up, or hear relays clicking. This is normal. Some models require 5-10 minutes for the control board to complete initialization.
• Test Display Panel:
• Verify the display panel lights up and shows the correct information:Check that all display segments work (numbers, letters, symbols, clock)Verify the display is clear and not dim or flickeringCheck that the clock can be set
• Test Touchpad Buttons:
• Press each touchpad button and verify the microwave responds:Press number buttons and verify they register on the displayPress function buttons (Cook Time, Power Level, Start, Stop/Clear, etc.)Verify each button produces a beep and the expected responseCheck that all buttons are responsive (not stuck or unresponsive)
• Test Microwave Heating:
• Place a microwave-safe cup of water in the microwave. Set the microwave to cook for 2 minutes at HIGH power and press START:The microwave should start immediatelyYou should hear the magnetron running (humming sound)The turntable should rotateThe interior light should illuminateThe display should count down the time
• Verify Heating Performance:
• After 2 minutes, carefully remove the cup of water (it will be hot). The water should be noticeably hot or boiling. If the water is cold or barely warm, the magnetron or high-voltage components may have additional problems.
• Test Power Level Control:
• Test different power levels:Cook water for 1 minute at 50% powerCook water for 1 minute at 30% powerVerify the microwave cycles on and off at lower power levels (this is normal)Verify heating is proportional to power level setting
• Test Timer Function:
• Set the kitchen timer for 1 minute and verify it counts down correctly and beeps when finished.
• Test Convection Function (if equipped):
• If your microwave has convection cooking:Set the oven to convection mode at 350°FVerify the convection fan startsVerify the oven heats (you should feel warm air after 5-10 minutes)
• Test Safety Interlocks:
• Open the microwave door while the microwave is running. The microwave should stop immediately. Thisa is a critical safety feature. Close the door and restart the microwave to verify it operates normally.
• Test Sensor Cooking (if equipped):
• If your microwave has sensor cooking:Place a microwave-safe container of food in the microwaveSelect a sensor cooking programPress START and verify the microwave operates and completes automatically
• Check for Error Codes:
• Monitor the display panel for any error codes. If error codes appear, consult your microwave's service manual to diagnose. Some error codes indicate additional component failures or incorrect board installation.
• Monitor for 30 Minutes:
• Allow the microwave to operate for 30 minutes with multiple heating cycles. Monitor for:Stable heating performanceConsistent power deliveryNo error codes or unusual displaysNo unusual noises (buzzing, clicking, or arcing)Normal operation of all featuresDisplay remaining clear and responsive
• Full Functionality Test:
• Run a complete functionality test:Cook multiple items at different power levelsTest all cooking programsTest all buttons and functionsVerify turntable rotationVerify interior light operationVerify convection fan (if equipped)
• Monitor for 24 Hours:
• Allow the microwave to operate for 24 hours and monitor for any issues: unusual noises, error codes, display problems, or operational failures.

Verified Compatible Models

Fitment reminder: Verified compatibility is maintained by the XPart Model Hub Network. Match the complete appliance model number before ordering.